Clean legacy vmess (#2199)

* Remove legacy Vmess

* validators

* protos
This commit is contained in:
yuhan6665 2023-06-12 10:32:25 -04:00 committed by GitHub
parent bf4b1fab3c
commit 9112cfd39c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
25 changed files with 150 additions and 761 deletions

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@ -6,8 +6,7 @@
"clients": [
{
"id": "1eb6e917-774b-4a84-aff6-b058577c60a5",
"level": 1,
"alterId": 64
"level": 1
}
]
}

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@ -30,11 +30,10 @@ func (c RequestCommand) TransferType() TransferType {
}
const (
// RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
// [DEPRECATED 2023-06] RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
RequestOptionChunkStream bitmask.Byte = 0x01
// RequestOptionConnectionReuse indicates client side expects to reuse the connection.
RequestOptionConnectionReuse bitmask.Byte = 0x02
// 0x02 legacy setting
RequestOptionChunkMasking bitmask.Byte = 0x04
@ -76,7 +75,6 @@ type CommandSwitchAccount struct {
Port net.Port
ID uuid.UUID
Level uint32
AlterIds uint16
ValidMin byte
}

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@ -24,7 +24,6 @@ type SecurityType int32
const (
SecurityType_UNKNOWN SecurityType = 0
SecurityType_LEGACY SecurityType = 1
SecurityType_AUTO SecurityType = 2
SecurityType_AES128_GCM SecurityType = 3
SecurityType_CHACHA20_POLY1305 SecurityType = 4
@ -36,7 +35,6 @@ const (
var (
SecurityType_name = map[int32]string{
0: "UNKNOWN",
1: "LEGACY",
2: "AUTO",
3: "AES128_GCM",
4: "CHACHA20_POLY1305",
@ -45,7 +43,6 @@ var (
}
SecurityType_value = map[string]int32{
"UNKNOWN": 0,
"LEGACY": 1,
"AUTO": 2,
"AES128_GCM": 3,
"CHACHA20_POLY1305": 4,
@ -139,20 +136,19 @@ var file_common_protocol_headers_proto_rawDesc = []byte{
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}
var (

View File

@ -8,11 +8,10 @@ option java_multiple_files = true;
enum SecurityType {
UNKNOWN = 0;
LEGACY = 1;
AUTO = 2;
AES128_GCM = 3;
CHACHA20_POLY1305 = 4;
NONE = 5;
NONE = 5; // [DEPRECATED 2023-06]
ZERO = 6;
}

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@ -1,9 +1,7 @@
package protocol
import (
"crypto/hmac"
"crypto/md5"
"hash"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/uuid"
@ -13,12 +11,6 @@ const (
IDBytesLen = 16
)
type IDHash func(key []byte) hash.Hash
func DefaultIDHash(key []byte) hash.Hash {
return hmac.New(md5.New, key)
}
// The ID of en entity, in the form of a UUID.
type ID struct {
uuid uuid.UUID
@ -55,28 +47,3 @@ func NewID(uuid uuid.UUID) *ID {
md5hash.Sum(id.cmdKey[:0])
return id
}
func nextID(u *uuid.UUID) uuid.UUID {
md5hash := md5.New()
common.Must2(md5hash.Write(u.Bytes()))
common.Must2(md5hash.Write([]byte("16167dc8-16b6-4e6d-b8bb-65dd68113a81")))
var newid uuid.UUID
for {
md5hash.Sum(newid[:0])
if !newid.Equals(u) {
return newid
}
common.Must2(md5hash.Write([]byte("533eff8a-4113-4b10-b5ce-0f5d76b98cd2")))
}
}
func NewAlterIDs(primary *ID, alterIDCount uint16) []*ID {
alterIDs := make([]*ID, alterIDCount)
prevID := primary.UUID()
for idx := range alterIDs {
newid := nextID(&prevID)
alterIDs[idx] = NewID(newid)
prevID = newid
}
return alterIDs
}

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@ -15,7 +15,6 @@ import (
type VMessAccount struct {
ID string `json:"id"`
AlterIds uint16 `json:"alterId"`
Security string `json:"security"`
Experiments string `json:"experiments"`
}
@ -39,7 +38,6 @@ func (a *VMessAccount) Build() *vmess.Account {
}
return &vmess.Account{
Id: a.ID,
AlterId: uint32(a.AlterIds),
SecuritySettings: &protocol.SecurityConfig{
Type: st,
},
@ -63,14 +61,12 @@ type FeaturesConfig struct {
}
type VMessDefaultConfig struct {
AlterIDs uint16 `json:"alterId"`
Level byte `json:"level"`
}
// Build implements Buildable
func (c *VMessDefaultConfig) Build() *inbound.DefaultConfig {
config := new(inbound.DefaultConfig)
config.AlterId = uint32(c.AlterIDs)
config.Level = uint32(c.Level)
return config
}
@ -80,14 +76,11 @@ type VMessInboundConfig struct {
Features *FeaturesConfig `json:"features"`
Defaults *VMessDefaultConfig `json:"default"`
DetourConfig *VMessDetourConfig `json:"detour"`
SecureOnly bool `json:"disableInsecureEncryption"`
}
// Build implements Buildable
func (c *VMessInboundConfig) Build() (proto.Message, error) {
config := &inbound.Config{
SecureEncryptionOnly: c.SecureOnly,
}
config := &inbound.Config{}
if c.Defaults != nil {
config.Default = c.Defaults.Build()

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@ -105,7 +105,6 @@ func TestVMessInbound(t *testing.T) {
Detour: &inbound.DetourConfig{
To: "tag_to_detour",
},
SecureEncryptionOnly: true,
},
},
})

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@ -3,7 +3,6 @@ package vmess
import (
"strings"
"github.com/xtls/xray-core/common/dice"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/uuid"
)
@ -12,8 +11,6 @@ import (
type MemoryAccount struct {
// ID is the main ID of the account.
ID *protocol.ID
// AlterIDs are the alternative IDs of the account.
AlterIDs []*protocol.ID
// Security type of the account. Used for client connections.
Security protocol.SecurityType
@ -21,21 +18,12 @@ type MemoryAccount struct {
NoTerminationSignal bool
}
// AnyValidID returns an ID that is either the main ID or one of the alternative IDs if any.
func (a *MemoryAccount) AnyValidID() *protocol.ID {
if len(a.AlterIDs) == 0 {
return a.ID
}
return a.AlterIDs[dice.Roll(len(a.AlterIDs))]
}
// Equals implements protocol.Account.
func (a *MemoryAccount) Equals(account protocol.Account) bool {
vmessAccount, ok := account.(*MemoryAccount)
if !ok {
return false
}
// TODO: handle AlterIds difference
return a.ID.Equals(vmessAccount.ID)
}
@ -55,7 +43,6 @@ func (a *Account) AsAccount() (protocol.Account, error) {
}
return &MemoryAccount{
ID: protoID,
AlterIDs: protocol.NewAlterIDs(protoID, uint16(a.AlterId)),
Security: a.SecuritySettings.GetSecurityType(),
AuthenticatedLengthExperiment: AuthenticatedLength,
NoTerminationSignal: NoTerminationSignal,

View File

@ -29,8 +29,6 @@ type Account struct {
// ID of the account, in the form of a UUID, e.g.,
// "66ad4540-b58c-4ad2-9926-ea63445a9b57".
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
// Number of alternative IDs. Client and server must share the same number.
AlterId uint32 `protobuf:"varint,2,opt,name=alter_id,json=alterId,proto3" json:"alter_id,omitempty"`
// Security settings. Only applies to client side.
SecuritySettings *protocol.SecurityConfig `protobuf:"bytes,3,opt,name=security_settings,json=securitySettings,proto3" json:"security_settings,omitempty"`
// Define tests enabled for this account
@ -76,13 +74,6 @@ func (x *Account) GetId() string {
return ""
}
func (x *Account) GetAlterId() uint32 {
if x != nil {
return x.AlterId
}
return 0
}
func (x *Account) GetSecuritySettings() *protocol.SecurityConfig {
if x != nil {
return x.SecuritySettings
@ -104,24 +95,22 @@ var file_proxy_vmess_account_proto_rawDesc = []byte{
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}
var (

View File

@ -12,8 +12,6 @@ message Account {
// ID of the account, in the form of a UUID, e.g.,
// "66ad4540-b58c-4ad2-9926-ea63445a9b57".
string id = 1;
// Number of alternative IDs. Client and server must share the same number.
uint32 alter_id = 2;
// Security settings. Only applies to client side.
xray.common.protocol.SecurityConfig security_settings = 3;
// Define tests enabled for this account

View File

@ -17,6 +17,7 @@ func Authenticate(b []byte) uint32 {
return fnv1hash.Sum32()
}
// [DEPRECATED 2023-06]
type NoOpAuthenticator struct{}
func (NoOpAuthenticator) NonceSize() int {
@ -37,34 +38,6 @@ func (NoOpAuthenticator) Open(dst, nonce, ciphertext, additionalData []byte) ([]
return append(dst[:0], ciphertext...), nil
}
// FnvAuthenticator is an AEAD based on Fnv hash.
type FnvAuthenticator struct{}
// NonceSize implements AEAD.NonceSize().
func (*FnvAuthenticator) NonceSize() int {
return 0
}
// Overhead impelements AEAD.Overhead().
func (*FnvAuthenticator) Overhead() int {
return 4
}
// Seal implements AEAD.Seal().
func (*FnvAuthenticator) Seal(dst, nonce, plaintext, additionalData []byte) []byte {
dst = append(dst, 0, 0, 0, 0)
binary.BigEndian.PutUint32(dst, Authenticate(plaintext))
return append(dst, plaintext...)
}
// Open implements AEAD.Open().
func (*FnvAuthenticator) Open(dst, nonce, ciphertext, additionalData []byte) ([]byte, error) {
if binary.BigEndian.Uint32(ciphertext[:4]) != Authenticate(ciphertext[4:]) {
return dst, newError("invalid authentication")
}
return append(dst, ciphertext[4:]...), nil
}
// GenerateChacha20Poly1305Key generates a 32-byte key from a given 16-byte array.
func GenerateChacha20Poly1305Key(b []byte) []byte {
key := make([]byte, 32)

View File

@ -1,26 +0,0 @@
package encoding_test
import (
"crypto/rand"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/xtls/xray-core/common"
. "github.com/xtls/xray-core/proxy/vmess/encoding"
)
func TestFnvAuth(t *testing.T) {
fnvAuth := new(FnvAuthenticator)
expectedText := make([]byte, 256)
_, err := rand.Read(expectedText)
common.Must(err)
buffer := make([]byte, 512)
b := fnvAuth.Seal(buffer[:0], nil, expectedText, nil)
b, err = fnvAuth.Open(buffer[:0], nil, b, nil)
common.Must(err)
if r := cmp.Diff(b, expectedText); r != "" {
t.Error(r)
}
}

View File

@ -5,11 +5,9 @@ import (
"context"
"crypto/aes"
"crypto/cipher"
"crypto/md5"
"crypto/rand"
"crypto/sha256"
"encoding/binary"
"hash"
"hash/fnv"
"io"
@ -20,24 +18,13 @@ import (
"github.com/xtls/xray-core/common/dice"
"github.com/xtls/xray-core/common/drain"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/serial"
"github.com/xtls/xray-core/proxy/vmess"
vmessaead "github.com/xtls/xray-core/proxy/vmess/aead"
"golang.org/x/crypto/chacha20poly1305"
)
func hashTimestamp(h hash.Hash, t protocol.Timestamp) []byte {
common.Must2(serial.WriteUint64(h, uint64(t)))
common.Must2(serial.WriteUint64(h, uint64(t)))
common.Must2(serial.WriteUint64(h, uint64(t)))
common.Must2(serial.WriteUint64(h, uint64(t)))
return h.Sum(nil)
}
// ClientSession stores connection session info for VMess client.
type ClientSession struct {
isAEAD bool
idHash protocol.IDHash
requestBodyKey [16]byte
requestBodyIV [16]byte
responseBodyKey [16]byte
@ -49,11 +36,8 @@ type ClientSession struct {
}
// NewClientSession creates a new ClientSession.
func NewClientSession(ctx context.Context, isAEAD bool, idHash protocol.IDHash, behaviorSeed int64) *ClientSession {
session := &ClientSession{
isAEAD: isAEAD,
idHash: idHash,
}
func NewClientSession(ctx context.Context, behaviorSeed int64) *ClientSession {
session := &ClientSession{}
randomBytes := make([]byte, 33) // 16 + 16 + 1
common.Must2(rand.Read(randomBytes))
@ -61,15 +45,10 @@ func NewClientSession(ctx context.Context, isAEAD bool, idHash protocol.IDHash,
copy(session.requestBodyIV[:], randomBytes[16:32])
session.responseHeader = randomBytes[32]
if !session.isAEAD {
session.responseBodyKey = md5.Sum(session.requestBodyKey[:])
session.responseBodyIV = md5.Sum(session.requestBodyIV[:])
} else {
BodyKey := sha256.Sum256(session.requestBodyKey[:])
copy(session.responseBodyKey[:], BodyKey[:16])
BodyIV := sha256.Sum256(session.requestBodyIV[:])
copy(session.responseBodyIV[:], BodyIV[:16])
}
{
var err error
session.readDrainer, err = drain.NewBehaviorSeedLimitedDrainer(behaviorSeed, 18, 3266, 64)
@ -83,13 +62,7 @@ func NewClientSession(ctx context.Context, isAEAD bool, idHash protocol.IDHash,
}
func (c *ClientSession) EncodeRequestHeader(header *protocol.RequestHeader, writer io.Writer) error {
timestamp := protocol.NewTimestampGenerator(protocol.NowTime(), 30)()
account := header.User.Account.(*vmess.MemoryAccount)
if !c.isAEAD {
idHash := c.idHash(account.AnyValidID().Bytes())
common.Must2(serial.WriteUint64(idHash, uint64(timestamp)))
common.Must2(writer.Write(idHash.Sum(nil)))
}
buffer := buf.New()
defer buffer.Release()
@ -121,17 +94,10 @@ func (c *ClientSession) EncodeRequestHeader(header *protocol.RequestHeader, writ
fnv1a.Sum(hashBytes[:0])
}
if !c.isAEAD {
iv := hashTimestamp(md5.New(), timestamp)
aesStream := crypto.NewAesEncryptionStream(account.ID.CmdKey(), iv)
aesStream.XORKeyStream(buffer.Bytes(), buffer.Bytes())
common.Must2(writer.Write(buffer.Bytes()))
} else {
var fixedLengthCmdKey [16]byte
copy(fixedLengthCmdKey[:], account.ID.CmdKey())
vmessout := vmessaead.SealVMessAEADHeader(fixedLengthCmdKey, buffer.Bytes())
common.Must2(io.Copy(writer, bytes.NewReader(vmessout)))
}
return nil
}
@ -165,19 +131,6 @@ func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, write
}
return buf.NewWriter(writer), nil
case protocol.SecurityType_LEGACY:
aesStream := crypto.NewAesEncryptionStream(c.requestBodyKey[:], c.requestBodyIV[:])
cryptionWriter := crypto.NewCryptionWriter(aesStream, writer)
if request.Option.Has(protocol.RequestOptionChunkStream) {
auth := &crypto.AEADAuthenticator{
AEAD: new(FnvAuthenticator),
NonceGenerator: crypto.GenerateEmptyBytes(),
AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
}
return crypto.NewAuthenticationWriter(auth, sizeParser, cryptionWriter, request.Command.TransferType(), padding), nil
}
return &buf.SequentialWriter{Writer: cryptionWriter}, nil
case protocol.SecurityType_AES128_GCM:
aead := crypto.NewAesGcm(c.requestBodyKey[:])
auth := &crypto.AEADAuthenticator{
@ -225,10 +178,6 @@ func (c *ClientSession) EncodeRequestBody(request *protocol.RequestHeader, write
}
func (c *ClientSession) DecodeResponseHeader(reader io.Reader) (*protocol.ResponseHeader, error) {
if !c.isAEAD {
aesStream := crypto.NewAesDecryptionStream(c.responseBodyKey[:], c.responseBodyIV[:])
c.responseReader = crypto.NewCryptionReader(aesStream, reader)
} else {
aeadResponseHeaderLengthEncryptionKey := vmessaead.KDF16(c.responseBodyKey[:], vmessaead.KDFSaltConstAEADRespHeaderLenKey)
aeadResponseHeaderLengthEncryptionIV := vmessaead.KDF(c.responseBodyIV[:], vmessaead.KDFSaltConstAEADRespHeaderLenIV)[:12]
@ -272,7 +221,6 @@ func (c *ClientSession) DecodeResponseHeader(reader io.Reader) (*protocol.Respon
} else { // nolint: golint
c.responseReader = bytes.NewReader(decryptedResponseHeaderBuffer)
}
}
buffer := buf.StackNew()
defer buffer.Release()
@ -302,10 +250,8 @@ func (c *ClientSession) DecodeResponseHeader(reader io.Reader) (*protocol.Respon
header.Command = command
}
}
if c.isAEAD {
aesStream := crypto.NewAesDecryptionStream(c.responseBodyKey[:], c.responseBodyIV[:])
c.responseReader = crypto.NewCryptionReader(aesStream, reader)
}
return header, nil
}
@ -340,17 +286,6 @@ func (c *ClientSession) DecodeResponseBody(request *protocol.RequestHeader, read
}
return buf.NewReader(reader), nil
case protocol.SecurityType_LEGACY:
if request.Option.Has(protocol.RequestOptionChunkStream) {
auth := &crypto.AEADAuthenticator{
AEAD: new(FnvAuthenticator),
NonceGenerator: crypto.GenerateEmptyBytes(),
AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
}
return crypto.NewAuthenticationReader(auth, sizeParser, c.responseReader, request.Command.TransferType(), padding), nil
}
return buf.NewReader(c.responseReader), nil
case protocol.SecurityType_AES128_GCM:
aead := crypto.NewAesGcm(c.responseBodyKey[:])

View File

@ -101,7 +101,7 @@ func (f *CommandSwitchAccountFactory) Marshal(command interface{}, writer io.Wri
idBytes := cmd.ID.Bytes()
common.Must2(writer.Write(idBytes))
common.Must2(serial.WriteUint16(writer, cmd.AlterIds))
common.Must2(serial.WriteUint16(writer, 0)) // compatible with legacy alterId
common.Must2(writer.Write([]byte{byte(cmd.Level)}))
common.Must2(writer.Write([]byte{cmd.ValidMin}))
@ -130,12 +130,7 @@ func (f *CommandSwitchAccountFactory) Unmarshal(data []byte) (interface{}, error
return nil, ErrInsufficientLength
}
cmd.ID, _ = uuid.ParseBytes(data[idStart : idStart+16])
alterIDStart := idStart + 16
if len(data) < alterIDStart+2 {
return nil, ErrInsufficientLength
}
cmd.AlterIds = binary.BigEndian.Uint16(data[alterIDStart : alterIDStart+2])
levelStart := alterIDStart + 2
levelStart := idStart + 16 + 2
if len(data) < levelStart+1 {
return nil, ErrInsufficientLength
}

View File

@ -16,7 +16,6 @@ func TestSwitchAccount(t *testing.T) {
sa := &protocol.CommandSwitchAccount{
Port: 1234,
ID: uuid.New(),
AlterIds: 1024,
Level: 128,
ValidMin: 16,
}
@ -40,7 +39,6 @@ func TestSwitchAccountBugOffByOne(t *testing.T) {
sa := &protocol.CommandSwitchAccount{
Port: 1234,
ID: uuid.New(),
AlterIds: 1024,
Level: 128,
ValidMin: 16,
}

View File

@ -41,7 +41,7 @@ func TestRequestSerialization(t *testing.T) {
}
buffer := buf.New()
client := NewClientSession(context.TODO(), true, protocol.DefaultIDHash, 0)
client := NewClientSession(context.TODO(), 0)
common.Must(client.EncodeRequestHeader(expectedRequest, buffer))
buffer2 := buf.New()
@ -50,7 +50,7 @@ func TestRequestSerialization(t *testing.T) {
sessionHistory := NewSessionHistory()
defer common.Close(sessionHistory)
userValidator := vmess.NewTimedUserValidator(protocol.DefaultIDHash)
userValidator := vmess.NewTimedUserValidator()
userValidator.Add(user)
defer common.Close(userValidator)
@ -90,7 +90,7 @@ func TestInvalidRequest(t *testing.T) {
}
buffer := buf.New()
client := NewClientSession(context.TODO(), true, protocol.DefaultIDHash, 0)
client := NewClientSession(context.TODO(), 0)
common.Must(client.EncodeRequestHeader(expectedRequest, buffer))
buffer2 := buf.New()
@ -99,7 +99,7 @@ func TestInvalidRequest(t *testing.T) {
sessionHistory := NewSessionHistory()
defer common.Close(sessionHistory)
userValidator := vmess.NewTimedUserValidator(protocol.DefaultIDHash)
userValidator := vmess.NewTimedUserValidator()
userValidator.Add(user)
defer common.Close(userValidator)
@ -130,7 +130,7 @@ func TestMuxRequest(t *testing.T) {
}
buffer := buf.New()
client := NewClientSession(context.TODO(), true, protocol.DefaultIDHash, 0)
client := NewClientSession(context.TODO(), 0)
common.Must(client.EncodeRequestHeader(expectedRequest, buffer))
buffer2 := buf.New()
@ -139,7 +139,7 @@ func TestMuxRequest(t *testing.T) {
sessionHistory := NewSessionHistory()
defer common.Close(sessionHistory)
userValidator := vmess.NewTimedUserValidator(protocol.DefaultIDHash)
userValidator := vmess.NewTimedUserValidator()
userValidator.Add(user)
defer common.Close(userValidator)

View File

@ -4,7 +4,6 @@ import (
"bytes"
"crypto/aes"
"crypto/cipher"
"crypto/md5"
"crypto/sha256"
"encoding/binary"
"hash/fnv"
@ -102,10 +101,6 @@ type ServerSession struct {
responseBodyIV [16]byte
responseWriter io.Writer
responseHeader byte
isAEADRequest bool
isAEADForced bool
}
// NewServerSession creates a new ServerSession, using the given UserValidator.
@ -117,17 +112,12 @@ func NewServerSession(validator *vmess.TimedUserValidator, sessionHistory *Sessi
}
}
// SetAEADForced sets isAEADForced for a ServerSession.
func (s *ServerSession) SetAEADForced(isAEADForced bool) {
s.isAEADForced = isAEADForced
}
func parseSecurityType(b byte) protocol.SecurityType {
if _, f := protocol.SecurityType_name[int32(b)]; f {
st := protocol.SecurityType(b)
// For backward compatibility.
if st == protocol.SecurityType_UNKNOWN {
st = protocol.SecurityType_LEGACY
st = protocol.SecurityType_AUTO
}
return st
}
@ -183,26 +173,6 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader, isDrain bool) (*pr
}
}
decryptor = bytes.NewReader(aeadData)
s.isAEADRequest = true
case errorAEAD == vmessaead.ErrNotFound:
userLegacy, timestamp, valid, userValidationError := s.userValidator.Get(buffer.Bytes())
if !valid || userValidationError != nil {
return nil, drainConnection(newError("invalid user").Base(userValidationError))
}
if s.isAEADForced {
return nil, drainConnection(newError("invalid user: VMessAEAD is enforced and a non VMessAEAD connection is received. You can still disable this security feature with environment variable xray.vmess.aead.forced = false . You will not be able to enable legacy header workaround in the future."))
}
if s.userValidator.ShouldShowLegacyWarn() {
newError("Critical Warning: potentially invalid user: a non VMessAEAD connection is received. From 2022 Jan 1st, this kind of connection will be rejected by default. You should update or replace your client software now. This message will not be shown for further violation on this inbound.").AtWarning().WriteToLog()
}
user = userLegacy
iv := hashTimestamp(md5.New(), timestamp)
vmessAccount = userLegacy.Account.(*vmess.MemoryAccount)
aesStream := crypto.NewAesDecryptionStream(vmessAccount.ID.CmdKey(), iv)
decryptor = crypto.NewCryptionReader(aesStream, reader)
default:
return nil, drainConnection(newError("invalid user").Base(errorAEAD))
}
@ -225,16 +195,8 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader, isDrain bool) (*pr
sid.key = s.requestBodyKey
sid.nonce = s.requestBodyIV
if !s.sessionHistory.addIfNotExits(sid) {
if !s.isAEADRequest {
drainErr := s.userValidator.BurnTaintFuse(fixedSizeAuthID[:])
if drainErr != nil {
return nil, drainConnection(newError("duplicated session id, possibly under replay attack, and failed to taint userHash").Base(drainErr))
}
return nil, drainConnection(newError("duplicated session id, possibly under replay attack, userHash tainted"))
} else {
return nil, newError("duplicated session id, possibly under replay attack, but this is a AEAD request")
}
}
s.responseHeader = buffer.Byte(33) // 1 byte
request.Option = bitmask.Byte(buffer.Byte(34)) // 1 byte
@ -257,25 +219,11 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader, isDrain bool) (*pr
if paddingLen > 0 {
if _, err := buffer.ReadFullFrom(decryptor, int32(paddingLen)); err != nil {
if !s.isAEADRequest {
burnErr := s.userValidator.BurnTaintFuse(fixedSizeAuthID[:])
if burnErr != nil {
return nil, newError("failed to read padding, failed to taint userHash").Base(burnErr).Base(err)
}
return nil, newError("failed to read padding, userHash tainted").Base(err)
}
return nil, newError("failed to read padding").Base(err)
}
}
if _, err := buffer.ReadFullFrom(decryptor, 4); err != nil {
if !s.isAEADRequest {
burnErr := s.userValidator.BurnTaintFuse(fixedSizeAuthID[:])
if burnErr != nil {
return nil, newError("failed to read checksum, failed to taint userHash").Base(burnErr).Base(err)
}
return nil, newError("failed to read checksum, userHash tainted").Base(err)
}
return nil, newError("failed to read checksum").Base(err)
}
@ -285,18 +233,8 @@ func (s *ServerSession) DecodeRequestHeader(reader io.Reader, isDrain bool) (*pr
expectedHash := binary.BigEndian.Uint32(buffer.BytesFrom(-4))
if actualHash != expectedHash {
if !s.isAEADRequest {
Autherr := newError("invalid auth, legacy userHash tainted")
burnErr := s.userValidator.BurnTaintFuse(fixedSizeAuthID[:])
if burnErr != nil {
Autherr = newError("invalid auth, can't taint legacy userHash").Base(burnErr)
}
// It is possible that we are under attack described in https://github.com/xray/xray-core/issues/2523
return nil, drainConnection(Autherr)
} else {
return nil, newError("invalid auth, but this is a AEAD request")
}
}
if request.Address == nil {
return nil, newError("invalid remote address")
@ -340,19 +278,6 @@ func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reade
}
return buf.NewReader(reader), nil
case protocol.SecurityType_LEGACY:
aesStream := crypto.NewAesDecryptionStream(s.requestBodyKey[:], s.requestBodyIV[:])
cryptionReader := crypto.NewCryptionReader(aesStream, reader)
if request.Option.Has(protocol.RequestOptionChunkStream) {
auth := &crypto.AEADAuthenticator{
AEAD: new(FnvAuthenticator),
NonceGenerator: crypto.GenerateEmptyBytes(),
AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
}
return crypto.NewAuthenticationReader(auth, sizeParser, cryptionReader, request.Command.TransferType(), padding), nil
}
return buf.NewReader(cryptionReader), nil
case protocol.SecurityType_AES128_GCM:
aead := crypto.NewAesGcm(s.requestBodyKey[:])
auth := &crypto.AEADAuthenticator{
@ -403,25 +328,17 @@ func (s *ServerSession) DecodeRequestBody(request *protocol.RequestHeader, reade
// EncodeResponseHeader writes encoded response header into the given writer.
func (s *ServerSession) EncodeResponseHeader(header *protocol.ResponseHeader, writer io.Writer) {
var encryptionWriter io.Writer
if !s.isAEADRequest {
s.responseBodyKey = md5.Sum(s.requestBodyKey[:])
s.responseBodyIV = md5.Sum(s.requestBodyIV[:])
} else {
BodyKey := sha256.Sum256(s.requestBodyKey[:])
copy(s.responseBodyKey[:], BodyKey[:16])
BodyIV := sha256.Sum256(s.requestBodyIV[:])
copy(s.responseBodyIV[:], BodyIV[:16])
}
aesStream := crypto.NewAesEncryptionStream(s.responseBodyKey[:], s.responseBodyIV[:])
encryptionWriter = crypto.NewCryptionWriter(aesStream, writer)
s.responseWriter = encryptionWriter
aeadEncryptedHeaderBuffer := bytes.NewBuffer(nil)
if s.isAEADRequest {
encryptionWriter = aeadEncryptedHeaderBuffer
}
common.Must2(encryptionWriter.Write([]byte{s.responseHeader, byte(header.Option)}))
err := MarshalCommand(header.Command, encryptionWriter)
@ -429,7 +346,6 @@ func (s *ServerSession) EncodeResponseHeader(header *protocol.ResponseHeader, wr
common.Must2(encryptionWriter.Write([]byte{0x00, 0x00}))
}
if s.isAEADRequest {
aeadResponseHeaderLengthEncryptionKey := vmessaead.KDF16(s.responseBodyKey[:], vmessaead.KDFSaltConstAEADRespHeaderLenKey)
aeadResponseHeaderLengthEncryptionIV := vmessaead.KDF(s.responseBodyIV[:], vmessaead.KDFSaltConstAEADRespHeaderLenIV)[:12]
@ -454,7 +370,6 @@ func (s *ServerSession) EncodeResponseHeader(header *protocol.ResponseHeader, wr
aeadEncryptedHeaderPayload := aeadResponseHeaderPayloadEncryptionAEAD.Seal(nil, aeadResponseHeaderPayloadEncryptionIV, aeadEncryptedHeaderBuffer.Bytes(), nil)
common.Must2(io.Copy(writer, bytes.NewReader(aeadEncryptedHeaderPayload)))
}
}
// EncodeResponseBody returns a Writer that auto-encrypt content written by caller.
func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writer io.Writer) (buf.Writer, error) {
@ -487,17 +402,6 @@ func (s *ServerSession) EncodeResponseBody(request *protocol.RequestHeader, writ
}
return buf.NewWriter(writer), nil
case protocol.SecurityType_LEGACY:
if request.Option.Has(protocol.RequestOptionChunkStream) {
auth := &crypto.AEADAuthenticator{
AEAD: new(FnvAuthenticator),
NonceGenerator: crypto.GenerateEmptyBytes(),
AdditionalDataGenerator: crypto.GenerateEmptyBytes(),
}
return crypto.NewAuthenticationWriter(auth, sizeParser, s.responseWriter, request.Command.TransferType(), padding), nil
}
return &buf.SequentialWriter{Writer: s.responseWriter}, nil
case protocol.SecurityType_AES128_GCM:
aead := crypto.NewAesGcm(s.responseBodyKey[:])
auth := &crypto.AEADAuthenticator{

View File

@ -73,7 +73,6 @@ type DefaultConfig struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
AlterId uint32 `protobuf:"varint,1,opt,name=alter_id,json=alterId,proto3" json:"alter_id,omitempty"`
Level uint32 `protobuf:"varint,2,opt,name=level,proto3" json:"level,omitempty"`
}
@ -109,13 +108,6 @@ func (*DefaultConfig) Descriptor() ([]byte, []int) {
return file_proxy_vmess_inbound_config_proto_rawDescGZIP(), []int{1}
}
func (x *DefaultConfig) GetAlterId() uint32 {
if x != nil {
return x.AlterId
}
return 0
}
func (x *DefaultConfig) GetLevel() uint32 {
if x != nil {
return x.Level
@ -130,8 +122,7 @@ type Config struct {
User []*protocol.User `protobuf:"bytes,1,rep,name=user,proto3" json:"user,omitempty"`
Default *DefaultConfig `protobuf:"bytes,2,opt,name=default,proto3" json:"default,omitempty"`
Detour *DetourConfig `protobuf:"bytes,3,opt,name=detour,proto3" json:"detour,omitempty"`
SecureEncryptionOnly bool `protobuf:"varint,4,opt,name=secure_encryption_only,json=secureEncryptionOnly,proto3" json:"secure_encryption_only,omitempty"`
Detour *DetourConfig `protobuf:"bytes,3,opt,name=detour,proto3" json:"detour,omitempty"` // 4 is for legacy setting
}
func (x *Config) Reset() {
@ -187,13 +178,6 @@ func (x *Config) GetDetour() *DetourConfig {
return nil
}
func (x *Config) GetSecureEncryptionOnly() bool {
if x != nil {
return x.SecureEncryptionOnly
}
return false
}
var File_proxy_vmess_inbound_config_proto protoreflect.FileDescriptor
var file_proxy_vmess_inbound_config_proto_rawDesc = []byte{
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0x33,
}
var (

View File

@ -13,7 +13,6 @@ message DetourConfig {
}
message DefaultConfig {
uint32 alter_id = 1;
uint32 level = 2;
}
@ -21,5 +20,5 @@ message Config {
repeated xray.common.protocol.User user = 1;
DefaultConfig default = 2;
DetourConfig detour = 3;
bool secure_encryption_only = 4;
// 4 is for legacy setting
}

View File

@ -14,7 +14,6 @@ import (
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/log"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/platform"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/common/signal"
@ -29,23 +28,16 @@ import (
"github.com/xtls/xray-core/transport/internet/stat"
)
var (
aeadForced = false
aeadForced2022 = false
)
type userByEmail struct {
sync.Mutex
cache map[string]*protocol.MemoryUser
defaultLevel uint32
defaultAlterIDs uint16
}
func newUserByEmail(config *DefaultConfig) *userByEmail {
return &userByEmail{
cache: make(map[string]*protocol.MemoryUser),
defaultLevel: config.Level,
defaultAlterIDs: uint16(config.AlterId),
}
}
@ -77,7 +69,6 @@ func (v *userByEmail) Get(email string) (*protocol.MemoryUser, bool) {
id := uuid.New()
rawAccount := &vmess.Account{
Id: id.String(),
AlterId: uint32(v.defaultAlterIDs),
}
account, err := rawAccount.AsAccount()
common.Must(err)
@ -112,7 +103,6 @@ type Handler struct {
usersByEmail *userByEmail
detours *DetourConfig
sessionHistory *encoding.SessionHistory
secure bool
}
// New creates a new VMess inbound handler.
@ -121,11 +111,10 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
handler := &Handler{
policyManager: v.GetFeature(policy.ManagerType()).(policy.Manager),
inboundHandlerManager: v.GetFeature(feature_inbound.ManagerType()).(feature_inbound.Manager),
clients: vmess.NewTimedUserValidator(protocol.DefaultIDHash),
clients: vmess.NewTimedUserValidator(),
detours: config.Detour,
usersByEmail: newUserByEmail(config.GetDefaultValue()),
sessionHistory: encoding.NewSessionHistory(),
secure: config.SecureEncryptionOnly,
}
for _, user := range config.User {
@ -145,7 +134,6 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
// Close implements common.Closable.
func (h *Handler) Close() error {
return errors.Combine(
h.clients.Close(),
h.sessionHistory.Close(),
common.Close(h.usersByEmail))
}
@ -219,10 +207,6 @@ func transferResponse(timer signal.ActivityUpdater, session *encoding.ServerSess
return nil
}
func isInsecureEncryption(s protocol.SecurityType) bool {
return s == protocol.SecurityType_NONE || s == protocol.SecurityType_LEGACY || s == protocol.SecurityType_UNKNOWN
}
// Process implements proxy.Inbound.Process().
func (h *Handler) Process(ctx context.Context, network net.Network, connection stat.Connection, dispatcher routing.Dispatcher) error {
sessionPolicy := h.policyManager.ForLevel(0)
@ -241,7 +225,6 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
reader := &buf.BufferedReader{Reader: buf.NewReader(connection)}
svrSession := encoding.NewServerSession(h.clients, h.sessionHistory)
svrSession.SetAEADForced(aeadForced)
request, err := svrSession.DecodeRequestHeader(reader, isDrain)
if err != nil {
if errors.Cause(err) != io.EOF {
@ -256,17 +239,6 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
return err
}
if h.secure && isInsecureEncryption(request.Security) {
log.Record(&log.AccessMessage{
From: connection.RemoteAddr(),
To: "",
Status: log.AccessRejected,
Reason: "Insecure encryption",
Email: request.User.Email,
})
return newError("client is using insecure encryption: ", request.Security)
}
if request.Command != protocol.RequestCommandMux {
ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
From: connection.RemoteAddr(),
@ -361,7 +333,6 @@ func (h *Handler) generateCommand(ctx context.Context, request *protocol.Request
return &protocol.CommandSwitchAccount{
Port: port,
ID: account.ID.UUID(),
AlterIds: uint16(len(account.AlterIDs)),
Level: user.Level,
ValidMin: byte(availableMin),
}
@ -376,18 +347,4 @@ func init() {
common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
return New(ctx, config.(*Config))
}))
defaultFlagValue := "NOT_DEFINED_AT_ALL"
if time.Now().Year() >= 2022 {
defaultFlagValue = "true_by_default_2022"
}
isAeadForced := platform.NewEnvFlag("xray.vmess.aead.forced").GetValue(func() string { return defaultFlagValue })
aeadForced = (isAeadForced == "true")
if isAeadForced == "true_by_default_2022" {
aeadForced = true
aeadForced2022 = true
}
}

View File

@ -12,9 +12,8 @@ import (
func (h *Handler) handleSwitchAccount(cmd *protocol.CommandSwitchAccount) {
rawAccount := &vmess.Account{
Id: cmd.ID.String(),
AlterId: uint32(cmd.AlterIds),
SecuritySettings: &protocol.SecurityConfig{
Type: protocol.SecurityType_LEGACY,
Type: protocol.SecurityType_AUTO,
},
}

View File

@ -128,11 +128,6 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
input := link.Reader
output := link.Writer
isAEAD := false
if !aeadDisabled && len(account.AlterIDs) == 0 {
isAEAD = true
}
hashkdf := hmac.New(sha256.New, []byte("VMessBF"))
hashkdf.Write(account.ID.Bytes())
@ -144,7 +139,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
newCtx, newCancel = context.WithCancel(context.Background())
}
session := encoding.NewClientSession(ctx, isAEAD, protocol.DefaultIDHash, int64(behaviorSeed))
session := encoding.NewClientSession(ctx, int64(behaviorSeed))
sessionPolicy := h.policyManager.ForLevel(request.User.Level)
ctx, cancel := context.WithCancel(ctx)
@ -233,7 +228,6 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
var (
enablePadding = false
aeadDisabled = false
)
func shouldEnablePadding(s protocol.SecurityType) bool {
@ -251,9 +245,4 @@ func init() {
if paddingValue != defaultFlagValue {
enablePadding = true
}
isAeadDisabled := platform.NewEnvFlag("xray.vmess.aead.disabled").GetValue(func() string { return defaultFlagValue })
if isAeadDisabled == "true" {
aeadDisabled = true
}
}

View File

@ -6,146 +6,39 @@ import (
"hash/crc64"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/dice"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/serial"
"github.com/xtls/xray-core/common/task"
"github.com/xtls/xray-core/proxy/vmess/aead"
)
const (
updateInterval = 10 * time.Second
cacheDurationSec = 120
)
type user struct {
user protocol.MemoryUser
lastSec protocol.Timestamp
}
// TimedUserValidator is a user Validator based on time.
type TimedUserValidator struct {
sync.RWMutex
users []*user
userHash map[[16]byte]indexTimePair
hasher protocol.IDHash
baseTime protocol.Timestamp
task *task.Periodic
users []*protocol.MemoryUser
behaviorSeed uint64
behaviorFused bool
aeadDecoderHolder *aead.AuthIDDecoderHolder
legacyWarnShown bool
}
type indexTimePair struct {
user *user
timeInc uint32
taintedFuse *uint32
}
// NewTimedUserValidator creates a new TimedUserValidator.
func NewTimedUserValidator(hasher protocol.IDHash) *TimedUserValidator {
func NewTimedUserValidator() *TimedUserValidator {
tuv := &TimedUserValidator{
users: make([]*user, 0, 16),
userHash: make(map[[16]byte]indexTimePair, 1024),
hasher: hasher,
baseTime: protocol.Timestamp(time.Now().Unix() - cacheDurationSec*2),
users: make([]*protocol.MemoryUser, 0, 16),
aeadDecoderHolder: aead.NewAuthIDDecoderHolder(),
}
tuv.task = &task.Periodic{
Interval: updateInterval,
Execute: func() error {
tuv.updateUserHash()
return nil
},
}
common.Must(tuv.task.Start())
return tuv
}
// visible for testing
func (v *TimedUserValidator) GetBaseTime() protocol.Timestamp {
return v.baseTime
}
func (v *TimedUserValidator) generateNewHashes(nowSec protocol.Timestamp, user *user) {
var hashValue [16]byte
genEndSec := nowSec + cacheDurationSec
genHashForID := func(id *protocol.ID) {
idHash := v.hasher(id.Bytes())
genBeginSec := user.lastSec
if genBeginSec < nowSec-cacheDurationSec {
genBeginSec = nowSec - cacheDurationSec
}
for ts := genBeginSec; ts <= genEndSec; ts++ {
common.Must2(serial.WriteUint64(idHash, uint64(ts)))
idHash.Sum(hashValue[:0])
idHash.Reset()
v.userHash[hashValue] = indexTimePair{
user: user,
timeInc: uint32(ts - v.baseTime),
taintedFuse: new(uint32),
}
}
}
account := user.user.Account.(*MemoryAccount)
genHashForID(account.ID)
for _, id := range account.AlterIDs {
genHashForID(id)
}
user.lastSec = genEndSec
}
func (v *TimedUserValidator) removeExpiredHashes(expire uint32) {
for key, pair := range v.userHash {
if pair.timeInc < expire {
delete(v.userHash, key)
}
}
}
func (v *TimedUserValidator) updateUserHash() {
now := time.Now()
nowSec := protocol.Timestamp(now.Unix())
v.Lock()
defer v.Unlock()
for _, user := range v.users {
v.generateNewHashes(nowSec, user)
}
expire := protocol.Timestamp(now.Unix() - cacheDurationSec)
if expire > v.baseTime {
v.removeExpiredHashes(uint32(expire - v.baseTime))
}
}
func (v *TimedUserValidator) Add(u *protocol.MemoryUser) error {
v.Lock()
defer v.Unlock()
nowSec := time.Now().Unix()
v.users = append(v.users, u)
uu := &user{
user: *u,
lastSec: protocol.Timestamp(nowSec - cacheDurationSec),
}
v.users = append(v.users, uu)
v.generateNewHashes(protocol.Timestamp(nowSec), uu)
account := uu.user.Account.(*MemoryAccount)
account := u.Account.(*MemoryAccount)
if !v.behaviorFused {
hashkdf := hmac.New(sha256.New, []byte("VMESSBSKDF"))
hashkdf.Write(account.ID.Bytes())
@ -159,25 +52,6 @@ func (v *TimedUserValidator) Add(u *protocol.MemoryUser) error {
return nil
}
func (v *TimedUserValidator) Get(userHash []byte) (*protocol.MemoryUser, protocol.Timestamp, bool, error) {
v.RLock()
defer v.RUnlock()
v.behaviorFused = true
var fixedSizeHash [16]byte
copy(fixedSizeHash[:], userHash)
pair, found := v.userHash[fixedSizeHash]
if found {
user := pair.user.user
if atomic.LoadUint32(pair.taintedFuse) == 0 {
return &user, protocol.Timestamp(pair.timeInc) + v.baseTime, true, nil
}
return nil, 0, false, ErrTainted
}
return nil, 0, false, ErrNotFound
}
func (v *TimedUserValidator) GetAEAD(userHash []byte) (*protocol.MemoryUser, bool, error) {
v.RLock()
defer v.RUnlock()
@ -199,10 +73,10 @@ func (v *TimedUserValidator) Remove(email string) bool {
email = strings.ToLower(email)
idx := -1
for i, u := range v.users {
if strings.EqualFold(u.user.Email, email) {
if strings.EqualFold(u.Email, email) {
idx = i
var cmdkeyfl [16]byte
copy(cmdkeyfl[:], u.user.Account.(*MemoryAccount).ID.CmdKey())
copy(cmdkeyfl[:], u.Account.(*MemoryAccount).ID.CmdKey())
v.aeadDecoderHolder.RemoveUser(cmdkeyfl)
break
}
@ -219,11 +93,6 @@ func (v *TimedUserValidator) Remove(email string) bool {
return true
}
// Close implements common.Closable.
func (v *TimedUserValidator) Close() error {
return v.task.Close()
}
func (v *TimedUserValidator) GetBehaviorSeed() uint64 {
v.Lock()
defer v.Unlock()
@ -235,36 +104,6 @@ func (v *TimedUserValidator) GetBehaviorSeed() uint64 {
return v.behaviorSeed
}
func (v *TimedUserValidator) BurnTaintFuse(userHash []byte) error {
v.RLock()
defer v.RUnlock()
var userHashFL [16]byte
copy(userHashFL[:], userHash)
pair, found := v.userHash[userHashFL]
if found {
if atomic.CompareAndSwapUint32(pair.taintedFuse, 0, 1) {
return nil
}
return ErrTainted
}
return ErrNotFound
}
/*
ShouldShowLegacyWarn will return whether a Legacy Warning should be shown
Not guaranteed to only return true once for every inbound, but it is okay.
*/
func (v *TimedUserValidator) ShouldShowLegacyWarn() bool {
if v.legacyWarnShown {
return false
}
v.legacyWarnShown = true
return true
}
var ErrNotFound = newError("Not Found")
var ErrTainted = newError("ErrTainted")

View File

@ -5,7 +5,6 @@ import (
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/serial"
"github.com/xtls/xray-core/common/uuid"
. "github.com/xtls/xray-core/proxy/vmess"
)
@ -16,81 +15,9 @@ func toAccount(a *Account) protocol.Account {
return account
}
func TestUserValidator(t *testing.T) {
hasher := protocol.DefaultIDHash
v := NewTimedUserValidator(hasher)
defer common.Close(v)
id := uuid.New()
user := &protocol.MemoryUser{
Email: "test",
Account: toAccount(&Account{
Id: id.String(),
}),
}
common.Must(v.Add(user))
{
testSmallLag := func(lag int64) {
ts := int64(v.GetBaseTime()) + lag + 240
idHash := hasher(id.Bytes())
common.Must2(serial.WriteUint64(idHash, uint64(ts)))
userHash := idHash.Sum(nil)
euser, ets, found, _ := v.Get(userHash)
if !found {
t.Fatal("user not found")
}
if euser.Email != user.Email {
t.Error("unexpected user email: ", euser.Email, " want ", user.Email)
}
if int64(ets) != ts {
t.Error("unexpected timestamp: ", ets, " want ", ts)
}
}
testSmallLag(0)
testSmallLag(40)
testSmallLag(-40)
testSmallLag(80)
testSmallLag(-80)
testSmallLag(120)
testSmallLag(-120)
}
{
testBigLag := func(lag int64) {
ts := int64(v.GetBaseTime()) + lag + 240
idHash := hasher(id.Bytes())
common.Must2(serial.WriteUint64(idHash, uint64(ts)))
userHash := idHash.Sum(nil)
euser, _, found, _ := v.Get(userHash)
if found || euser != nil {
t.Error("unexpected user")
}
}
testBigLag(121)
testBigLag(-121)
testBigLag(310)
testBigLag(-310)
testBigLag(500)
testBigLag(-500)
}
if v := v.Remove(user.Email); !v {
t.Error("unable to remove user")
}
if v := v.Remove(user.Email); v {
t.Error("remove user twice")
}
}
func BenchmarkUserValidator(b *testing.B) {
for i := 0; i < b.N; i++ {
hasher := protocol.DefaultIDHash
v := NewTimedUserValidator(hasher)
v := NewTimedUserValidator()
for j := 0; j < 1500; j++ {
id := uuid.New()

View File

@ -1,4 +0,0 @@
package vmess
// example
const AlterID = "VMessCtxInterface_AlterID"